from typing import List
from pydantic import BaseModel, Field



from llama_index.core import SimpleDirectoryReader
from llama_index.core import VectorStoreIndex, SimpleDirectoryReader

from llama_index.core import SimpleDirectoryReader
from llama_index.core.node_parser import SimpleNodeParser
from llama_index.core import  GPTVectorStoreIndex,VectorStoreIndex
from llama_index.llms import openai_like
from llama_index.core import Settings
from llama_index.llms.ollama import Ollama
from llama_index.embeddings.huggingface import HuggingFaceEmbedding  # HuggingFaceEmbedding:用于将文本转换为词向量
from llama_index.llms.huggingface import HuggingFaceLLM  # HuggingFaceLLM：用于运行Hugging Face的预训练语言模型
from llama_index.core import Settings,SimpleDirectoryReader,VectorStoreIndex
import chromadb
from llama_index.embeddings.dashscope import DashScopeEmbedding
from llama_index.vector_stores.chroma import ChromaVectorStore
from llama_index.core import StorageContext, load_index_from_storage
from llama_index.llms.deepseek  import DeepSeek
from llama_index.embeddings.fastembed import FastEmbedEmbedding

from llama_index.core import QueryBundle

# import NodeWithScore
from llama_index.core.schema import NodeWithScore

# Retrievers
from llama_index.core.retrievers import (
    BaseRetriever,
    VectorIndexRetriever,
    KeywordTableSimpleRetriever,
)
    # 连接Chroma数据库


llm = DeepSeek(model="deepseek-chat", api_key="sk-605e60a1301040759a821b6b677556fb")
Settings.llm = llm
 
from zhipuai import ZhipuAI
from llama_index.embeddings.zhipuai import ZhipuAIEmbedding

embeddings = ZhipuAIEmbedding(
    model="embedding-2",
    api_key="f387f5e4837d4e4bba6d267682a957c9.PmPiTw8qVlsI2Oi5"
    # With the `embedding-3` class
    # of models, you can specify the size
    # of the embeddings you want returned.
    # dimensions=1024
)
Settings.embed_model=embeddings

from llama_index.core.indices.query.query_transform import HyDEQueryTransform
from llama_index.core.selectors import LLMSingleSelector, LLMMultiSelector
from llama_index.core.selectors import (
    PydanticMultiSelector,
    PydanticSingleSelector,
)

from llama_index.core.tools import ToolMetadata
from llama_index.core.agent import ReActChatFormatter
from llama_index.core.agent.react.output_parser import ReActOutputParser
from llama_index.core.tools import FunctionTool
from llama_index.core.llms import ChatMessage



import logging
import sys

logging.basicConfig(stream=sys.stdout, level=logging.INFO)
logging.getLogger().addHandler(logging.StreamHandler(stream=sys.stdout))

from llama_index.core import VectorStoreIndex, SimpleDirectoryReader
from llama_index.core.indices.query.query_transform import HyDEQueryTransform
from llama_index.core.query_engine import TransformQueryEngine
from IPython.display import Markdown, display
# load documents
documents = SimpleDirectoryReader("./data/paul_graham/").load_data()

query_str = "what did paul graham do after going to RISD"
index = VectorStoreIndex.from_documents(documents)

query_engine = index.as_query_engine()
response = query_engine.query(query_str)
display(Markdown(f"<b>{response}</b>"))

hyde = HyDEQueryTransform(include_original=True)
hyde_query_engine = TransformQueryEngine(query_engine, hyde)
response = hyde_query_engine.query(query_str)
display(Markdown(f"<b>{response}</b>"))

query_bundle = hyde(query_str)
hyde_doc = query_bundle.embedding_strs[0]

query_str = "What is Bel?"
response = query_engine.query(query_str)
display(Markdown(f"<b>{response}</b>"))
hyde = HyDEQueryTransform(include_original=True)
hyde_query_engine = TransformQueryEngine(query_engine, hyde)
response = hyde_query_engine.query(query_str)
display(Markdown(f"<b>{response}</b>"))
query_bundle = hyde(query_str)
hyde_doc = query_bundle.embedding_strs[0]

query_str = "What would the author say about art vs. engineering?"
response = query_engine.query(query_str)
display(Markdown(f"<b>{response}</b>"))

response = hyde_query_engine.query(query_str)
display(Markdown(f"<b>{response}</b>"))